USBD_ISO_PACKET_DESCRIPTOR

NTDEV
1

(Winows2000)
Two questons:

  1. What are possible returning status from the host controller driver in
    the Status of USBD_ISO_PACKET_DESCRIPTOR?
  2. ISO is not guaranteed with the delivery but we can always get the
    correct data based on Length of USBD_ISO_PACKET_DESCRIPTOR. I might be
    missing somthing here but wouldnt it be better the bus driver puts the valid
    data together (since it has already known) to save the overhead for the
    function driver or the application above it?

Thanks

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